T2526N036-6AQY [ATMEL]

Telecom Circuit, 1-Func, PDSO8, 3 MM, LEAD FREE, TSSOP-8;
T2526N036-6AQY
型号: T2526N036-6AQY
厂家: ATMEL    ATMEL
描述:

Telecom Circuit, 1-Func, PDSO8, 3 MM, LEAD FREE, TSSOP-8

ATM 异步传输模式 电信 光电二极管 电信集成电路
文件: 总13页 (文件大小:246K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Features  
No External Components Except PIN Diode  
Supply-voltage Range: 2.7V to 5.5V  
Automatic Sensitivity Adaptation (AGC)  
Automatic Strong Signal Adaptation (ATC)  
Automatic Supply Voltage Adaptation  
Enhanced Immunity against Ambient Light Disturbances  
Available for Carrier Frequencies between 30 kHz to 76 kHz; adjusted  
by Zener-Diode Fusing ±2.5%  
Low-voltage  
IR Receiver  
ASSP  
TTL and CMOS Compatible  
Applications  
Audio Video Applications  
Home Appliances  
Remote Control Equipment  
T2526  
1. Description  
The IC T2526 is a complete IR receiver for data communication developed and opti-  
mized for use in carrier-frequency-modulated transmission applications. Its function  
can be described using the block diagram of Figure 1-1. The input stage meets two  
main functions. First it provides a suitable bias voltage for the PIN diode. Secondly the  
pulsed photo-current signals are transformed into a voltage by a special circuit which  
is optimized for low noise applications. After amplification by a Controlled Gain Ampli-  
fier (CGA) the signals have to pass a tuned integrated narrow bandpass filter with a  
center frequency f0 which is equivalent to the choosen carrier frequency of the input  
signal The demodulator is used first to convert the input burst signal to a digital enve-  
lope output pulse and to evaluate the signal information quality, i.e., unwanted pulses  
will be suppressed at the output pin. All this is done by means of an integrated  
dynamic feedback circuit which varies the gain as a function of the present enviro-  
mental conditions (ambient light, modulated lamps etc.). Other special features are  
used to adapt to the current application to secure best transmission quality. The  
T2526 operates in a supply-voltage range from 2.7V to 5.5V. By default, the T2526 is  
optimized for best performance within 2.7V to 3.3V.  
Figure 1-1. Block Diagram  
VS  
IN  
OUT  
Demo-  
dulator  
Micro-  
controller  
CGA and  
filter  
Input  
AGC/ATC  
and digital control  
Oscillator  
Carrier frequency f0  
T2526  
Modulated IR signal  
min 6 or 10 pulses  
GND  
Rev. 4597D–AUTO–08/05  
2. Pin Configuration  
Figure 2-1. Pinning TSSOP8  
NC  
NC  
VS  
NC  
1
2
3
4
8
7
6
5
OUT  
NC  
GND  
IN  
3. Pin Description  
Pin  
Symbol  
Function  
1
VS  
Supply voltage  
Not connected  
Data output  
2
NC  
3
OUT  
NC  
4
Not connected  
Input PIN-diode  
Ground  
5
IN  
6
GND  
NC  
7
Not connected  
Not connected  
8
NC  
4. Absolute Maximum Ratings  
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating  
only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this  
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.  
Parameter  
Symbol  
VS  
Value  
–0.3 to +6  
3
Unit  
V
Supply voltage  
Supply current  
IS  
mA  
V
Input voltage  
VIN  
IIN  
–0.3 to VS  
0.75  
Input DC current at VS = 5V  
Output voltage  
mA  
V
VO  
–0.3 to VS  
10  
Output current  
IO  
mA  
°C  
Operating temperature  
Storage temperature  
Power dissipation at Tamb = 25°C  
Tamb  
Tstg  
Ptot  
–25 to +85  
–40 to +125  
°C  
mW  
30  
2
T2526  
4597D–AUTO–08/05  
T2526  
5. Thermal Resistance  
Parameters  
Symbol  
Value  
Unit  
Junction ambient TSSOP8  
RthJA  
TBD  
K/W  
6. Electrical Characteristics, 3-V Operation  
Tamb = 25°C, VS = 3V unless otherwise specified.  
No. Parameters  
Supply  
Test Conditions  
Pin  
Symbol  
Min.  
Typ.  
Max.  
Unit  
Type*  
1
1.1 Supply-voltage range  
1.2 Supply current  
1
1
VS  
IS  
2.7  
0.7  
3.0  
0.9  
3.3  
1.3  
V
C
B
IIN =0  
mA  
2
Output  
Tamb = 25°C  
See Figure 8-10 on page 9  
2.1 Internal pull-up resistor(1)  
1, 3  
RPU  
30/40  
kΩ  
A
R2 = 2.4 kΩ  
See Figure 8-10 on page 9  
2.2 Output voltage low  
3, 6  
3, 1  
3, 6  
VOL  
VOH  
IOCL  
250  
Vs  
mV  
V
B
B
B
2.3 Output voltage high  
2.4 Output current clamping  
VS – 0.25  
R2 = 0  
See Figure 8-10 on page 9  
8
mA  
3
Input  
VIN = 0  
See Figure 8-10 on page 9  
3.1 Input DC current  
5
5
IIN_DCMAX  
IIN_DCMAX  
–150  
µA  
µA  
C
B
Input DC current  
3.2  
VIN = 0; Vs = 3V  
See Figure 8-3 on page 6 Tamb = 25°C  
–350  
–700  
Minimum detection  
3.3 threshold current  
Test signal:  
See Figure 8-9 on page 9  
See Figure 8-1 on page 6 VS = 3V  
Tamb= 25°C, IIN_DC=1 µA  
3
3
IEemin  
pA  
pA  
B
C
Minimum detection  
threshold current with AC  
3.4 current disturbance  
IIN_AC100 =  
square pp  
burst N = 16  
f = f0; tPER = 10 ms  
Figure 8-8 on page 8  
BER = 50(2)  
IEemin  
–1500  
3 µA at 100 Hz  
Test signal:  
See Figure 8-9 on page 9  
VS = 3V, Tamb = 25°C  
IIN_DC = 1 µA  
square pp  
burst N = 16  
Maximum detection  
3.5 threshold current with  
VIN > 0V  
3
IEemax  
–200  
µA  
D
f = f0; tPER = 10 ms  
Figure 8-8 on page 8  
BER = 5%(2)  
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter  
Notes: 1. Depending on version, see “Ordering Information”  
2. BER = bit error rate; e.g., BER = 5% means that with P = 20 at the input pin 19...21 pulses can appear at the pin OUT  
3. After transformation of input current into voltage  
3
4597D–AUTO–08/05  
6. Electrical Characteristics, 3-V Operation (Continued)  
Tamb = 25°C, VS = 3V unless otherwise specified.  
No. Parameters  
Test Conditions  
Pin  
Symbol  
Min.  
Typ.  
Max.  
Unit  
Type*  
4
Controlled Amplifier and Filter  
Maximum value of  
variable gain (CGA)  
4.1  
GVARMAX  
GVARMIN  
GMAX  
f03V_FUSE  
f03V  
51  
-5  
71  
f0  
dB  
dB  
dB  
%
D
D
D
A
C
C
C
Minimum value of variable  
gain (CGA)  
4.2  
4.3  
4.4  
4.5  
4.6  
Total internal  
amplification(3)  
Center frequency fusing  
accuracy of bandpass  
VS = 3V, Tamb = 25°C  
–2.5  
–5.5  
–4.5  
+2.5  
+3.5  
+3.0  
Overall accuracy center  
frequencyofbandpass  
f0  
%
Overall accuracy center  
frequencyofbandpass  
Tamb = 0 to 70°C  
f03V  
f0  
%
–3 dB; f0 = 38 kHz;  
See Figure 8-7 on page 8  
4.7 BPF bandwidth  
B
3.8  
kHz  
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter  
Notes: 1. Depending on version, see “Ordering Information”  
2. BER = bit error rate; e.g., BER = 5% means that with P = 20 at the input pin 19...21 pulses can appear at the pin OUT  
3. After transformation of input current into voltage  
7. Electrical Characteristics, 5-V Operation  
Tamb = 25°C, VS = 5V unless otherwise specified.  
No. Parameters  
Test Conditions  
Pin  
Symbol  
Min.  
Typ.  
Max.  
Unit  
Type*  
5
Supply  
5.1  
5.2  
6
Supply-voltage range  
Supply current  
Output  
1
1
VS  
IS  
4.5  
0.9  
5.0  
1.2  
5.5  
1.6  
V
C
B
IIN =0  
mA  
Tamb = 25°C  
6.1  
Internal pull-up resistor(1) See Figure 8-10 on page  
9
1, 3  
RPU  
30/40  
kΩ  
A
R2 = 2.4 kΩ  
6.2  
6.3  
6.4  
Output voltage low  
Output voltage high  
See Figure 8-10 on page  
9
3, 6  
3, 1  
3, 6  
VOL  
VOH  
IOCL  
250  
Vs  
mV  
V
B
B
B
VS – 0.25  
R2 = 0  
Output current clamping See Figure 8-10 on page  
9
8
mA  
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter  
Notes: 1. Depending on version, see “Ordering Information”  
2. BER = bit error rate; e.g., BER = 5% means that with P = 20 at the input pin 19...21 pulses can appear at the pin OUT  
3. After transformation of input current into voltage  
4
T2526  
4597D–AUTO–08/05  
T2526  
7. Electrical Characteristics, 5-V Operation (Continued)  
Tamb = 25°C, VS = 5V unless otherwise specified.  
No. Parameters  
Test Conditions  
Pin  
Symbol  
Min.  
Typ.  
Max.  
Unit  
Type*  
7
Input  
VIN = 0  
7.1  
Input DC current  
Input DC-current  
See Figure 8-10 on page  
9
5
5
3
IIN_DCMAX  
IIN_DCMAX  
IEemin  
–400  
µA  
µA  
pA  
C
B
B
VIN = 0; Vs = 5V  
7.2  
7.3  
–700  
–890  
See Figure 8-4 on page 7 Tamb = 25°C  
Min. detection threshold Test signal:  
current  
See Figure 8-9 on page 9  
See Figure 8-2 on page 6 VS = 5V  
Tamb = 25°C  
IN_DC = 1 µA  
square pp  
I
Min. detection threshold  
current with AC current  
disturbance IIN_AC100 =  
3 µA at 100 Hz  
burst N = 16  
7.4  
7.5  
3
3
IEemin  
–2500  
pA  
µA  
C
D
f = f0; tPER = 10 ms  
Figure 8-8 on page 8  
BER = 50(2)  
Test signal:  
See Figure 8-9 on page 9  
VS = 5V, Tamb = 25×C  
IIN_DC = 1 µA  
square pp  
burst N = 16  
Max. detection threshold  
current with VIN > 0V  
IEemax  
–500  
f = f0; tPER = 10 ms  
Figure 8-8 on page 8  
BER = 5%(2)  
8
Controlled Amplifier and Filter  
Maximum value of  
variable gain (CGA)  
8.1  
GVARMAX  
GVARMIN  
GMAX  
51  
–5  
71  
dB  
dB  
dB  
D
D
D
Minimum value of variable  
gain (CGA)  
8.2  
8.3  
Total internal  
amplification(3)  
Resulting center  
frequency fusing  
accuracy  
f0 fused at VS = 3V  
VS = 5V, Tamb = 25°C  
f03V-FUSE  
+ 0.5  
8.4  
f05V  
%
A
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter  
Notes: 1. Depending on version, see “Ordering Information”  
2. BER = bit error rate; e.g., BER = 5% means that with P = 20 at the input pin 19...21 pulses can appear at the pin OUT  
3. After transformation of input current into voltage  
7.1  
7.2  
ESD  
All pins 2000V HBM; 200V MM, MIL-STD-883C, Method 3015.7  
Reliability  
Electrical qualification (1000h) in molded plastic package  
5
4597D–AUTO–08/05  
8. Typical Electrical Curves at Tamb = 25°C  
Figure 8-1. IEemin versus IIN_DC, VS = 3V  
100.0  
VS = 3 V  
f = f0  
10.0  
1.0  
0.1  
0.1  
1.0  
10.0  
I IN_DC (µA)  
100.0  
1000.0  
1000.0  
1000.0  
Figure 8-2.  
I
Eemin versus IIN_DC, VS = 5V  
100.0  
VS = 5 V  
f = f0  
10.0  
1.0  
0.1  
0.1  
1.0  
10.0  
I IN_DC (µA)  
100.0  
Figure 8-3.  
V
IN versus IIN_DC, VS = 3V  
3.5  
VS = 3 V  
f = f0  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
0.0  
0.1  
1.0  
I
10.0  
(µA)  
100.0  
IN_DC  
6
T2526  
4597D–AUTO–08/05  
T2526  
Figure 8-4. VIN versus IIN_DC, VS = 5V  
3.5  
3.0  
2.5  
2.0  
VS = 5 V  
f = f0  
1.5  
1.0  
0.5  
0.0  
0.0  
0.1  
1.0  
10.0  
(µA)  
100.0  
1000.0  
I
IN_DC  
Figure 8-5. Data Transmission Rate, VS = 3V  
5000  
4500  
4000  
VS = 3 V  
Short burst  
3500  
3000  
2500  
Standard type  
Lamp type  
2000  
1500  
1000  
500  
0
25.0  
35.0  
45.0  
55.0  
65.0  
75.0  
85.0  
f 0 (kHz)  
Figure 8-6. Data Transmission Rate, VS = 5V  
5000  
4500  
4000  
VS = 5 V  
Short burst  
3500  
3000  
2500  
Standard type  
Lamp type  
2000  
1500  
1000  
500  
0
25.0  
35.0  
45.0  
55.0  
65.0  
75.0  
85.0  
f 0 (kHz)  
7
4597D–AUTO–08/05  
Figure 8-7. Typical Bandpass Curve  
1.10  
VS = 3 V  
1.00  
0.90  
0.80  
Bandwidth (-3 dB)  
0.70  
0.60  
0.50  
0.40  
0.92  
0.94  
0.96  
0.98  
1.00  
1.02  
1.04  
1.06  
1.08  
f/f0  
Q = f/f0/B; B => –3 dB values.  
Example: Q = 1/(1.047 – 0.954) = 11  
Figure 8-8. Illustration of Used Terms  
Example: f = 30 kHz, burst with 16 pulses, 16 periods  
Period (P = 16)  
7
1066 µs  
16  
Burst (N = 16 pulses)  
533 µs  
7
IN  
1
7
tDON  
tDOFF  
33 µs  
OUT  
533 µs  
Envelope 16  
Envelope 1  
17056 µs/data word  
Telegram pause  
OUT  
Data word  
Data word  
17 ms  
T
= 62 ms  
REF  
8
T2526  
4597D–AUTO–08/05  
T2526  
Figure 8-9. Test Circuit  
IEe = U1/400k  
VDD = 3 V to 5 V  
U1  
IEe  
IIN_DC  
1 nF  
400k  
R1 = 220  
VS  
20k  
IIN  
IIN_AC100  
VPulse  
IN  
OUT  
1 nF  
T2526  
U2  
GND  
IIN_DC = U2/40k  
C1  
20k  
-
f0  
4.7 µF  
16  
DC  
+
tPER = 10 ms  
Figure 8-10. Application Circuit  
V
DD = 3 V to 5 V  
*) optional  
R1 = 220  
R2* > 2,4k  
RPU  
IS  
VS  
IOCL  
Microcontroller  
IN  
T2526  
IIN  
OUT  
GND  
VIN  
VO  
C1  
4.7 µF  
C2* = 470 pF  
IEe  
IIN_DC  
9
4597D–AUTO–08/05  
9. Chip Dimensions  
Figure 9-1. Chip Size in µm  
1210, 1040  
GND  
336, 906  
IN  
783, 887  
Scribe  
VS  
55, 652  
T2526  
55, 62  
FUSING  
OUT  
0, 0  
Width  
Pad coordinates are given for lower left corner of the pad in µm from the origin 0,0  
Note:  
Dimensions  
Length inclusive scribe  
Width inclusive scribe  
Thickness  
1.15 mm  
1.29 mm  
290 µ ± 5%  
90 µ × 90 µ  
70 µ × 70 µ  
AlCu/AlSiTi(1)  
0.8 µm  
Pads  
Fusing pads  
Material  
Pad metallurgy  
Finish  
Thickness  
Material  
Si3N4/SiO2  
0.7/0.3 µm  
Thickness  
Note:  
1. Value depends on manufacture location.  
10  
T2526  
4597D–AUTO–08/05  
T2526  
10. Ordering Information  
Delivery: unsawn wafers (DDW) in box and TSSOP8 (3 mm body)  
Extended Type  
PL(2)  
RPU  
30  
30  
40  
40  
30  
30  
D(4)  
Type  
(3)  
Number  
T2526N0xx(1)-yyy(5)  
T2526N1xx(1)-DDW  
T2526N2xx(1)-yyy(5)  
T2526N3xx(1)-DDW  
T2526N6xx(1)-yyy(5)  
T2526N7xx(1)-DDW  
2
1
2
1
2
1
2179  
2179  
1404  
1404  
3415  
3415  
Standard type: 10 pulses, enhanced sensibility, high data rate  
Lamp type: 10 pulses, enhanced suppression of disturbances, secure  
data transmission  
Short burst type: 6 pulses, enhanced data rate  
Notes: 1. xx means the used carrier frequency value f0 30, 33, 36, 38, 40, 44 or 56 kHz (76 kHz type on request)  
2. Two pad layout versions (see Figure 10-1 and Figure 10-2) available for different assembly demand  
3. Integrated pull-up resistor at pin OUT (see electrical characteristics)  
4. Typical data transmission rate up to bit/s with f0 = 56 kHz, VS = 5 V (see Figure 8-8 on page 8)  
5. yyy means kind of packaging:  
DDW -> unsawn wafers in box  
6AQY -> (only on request, TSSOP8 taped and reeled, PB-free)  
10.1 Pad Layout  
Figure 10-1. Pad Layout 1 (DDW only)  
GND  
IN  
OUT  
T2526  
FUSING  
VS  
Figure 10-2. Pad Layout 2 (DDW or TSSOP8)  
GND  
(6)  
IN  
(5)  
(1)  
VS  
T2526  
(3)  
OUT  
FUSING  
11  
4597D–AUTO–08/05  
11. Revision History  
Please note that the following page numbers referred to in this section refer to the specific revision  
mentioned, not to this document.  
Revision No.  
History  
Put datasheet in a new template  
First page: Pb-free logo added  
4597D-AUTO-08/05  
Page 11: Ordering Information changed  
Page 2, 3, 5, 11, 13: SO8 deleted  
12  
T2526  
4597D–AUTO–08/05  
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Printed on recycled paper.  
4597D–AUTO–08/05  

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